Top 100 Contractors in PSC 6680: Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments, FY2023

Name: Top 100 Contractors in PSC 6680: Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 31% of FY2023 PSC 6680 contract dollars

Contract obligations: $66,664,303 Net of deobligations, by contracts coded PSC 6680
Contractors: 454 Parent companies with an obligation
Largest contractor: RTX Corporation $5.62 million, 8.0% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	RTX Corporation 6 awardees, including Simmonds Precision Products Inc., Hamilton Sundstrand Corporation and Rockwell Collins, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$5,617,622	8.0%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #2 in FY2025; unchanged since FY2022.
2	Standard Calibrations Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$2,808,323	4.0%	Rank history: #6 in FY2021, #5 in FY2022, #2 in FY2024 and #1 in FY2025; up 3 since FY2022.
3	Parker-Hannifin Corporation 2 awardees, including Meggitt Aircraft Braking Systems Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,518,278	3.6%	Rank history: #2 in FY2021, #2 in FY2022, #23 in FY2024 and not on the FY2025 list; down 1 since FY2022.
4	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$1,981,727	2.8%	Rank history: #7 in FY2021, #6 in FY2022, #6 in FY2024 and #16 in FY2025; up 2 since FY2022.
5	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies Navy (Department of the Navy)	$1,728,359	2.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
6	R. S. Means Company LLC 3 awardees, including Setra Systems, Inc., Fluke Electronics Corp and Dynapar Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,595,377	2.3%	Rank history: #3 in FY2021, #3 in FY2022, #48 in FY2024 and not on the FY2025 list; down 3 since FY2022.
7	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$1,570,790	2.2%	Rank history: #20 in FY2021, #4 in FY2022, #4 in FY2024 and #5 in FY2025; down 3 since FY2022.
8	Prime Technology LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,478,366	2.1%	Rank history: not on the FY2021 list, #17 in FY2022, #61 in FY2024 and #54 in FY2025; up 9 since FY2022.
9	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$1,433,928	2.0%	Rank history: #11 in FY2021, #13 in FY2022, #21 in FY2024 and not on the FY2025 list; up 4 since FY2022.
10	Pssc Holding Co. Through BEI Precision Systems & Space Company, Inc. Top agencies DLA (Defense Logistics Agency)	$1,402,320	2.0%	Rank history: #14 in FY2021, #26 in FY2022, #29 in FY2024 and not on the FY2025 list; up 16 since FY2022.
11	Cameron Energy Services Corp. Top agencies Navy (Department of the Navy)	$1,377,563	2.0%	Rank history: not on the FY2021 list, #20 in FY2022, #33 in FY2024 and #27 in FY2025; up 9 since FY2022.
12	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,293,623	1.8%	Rank history: #5 in FY2021, #11 in FY2022, #11 in FY2024 and #34 in FY2025; down 1 since FY2022.
13	BAE Systems PLC 2 awardees, including BAE Systems (Operations) Limited and BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,232,153	1.7%	Rank history: not on the FY2021 list, #52 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
14	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$1,211,792	1.7%	Rank history: #10 in FY2021, #7 in FY2022, #19 in FY2024 and #12 in FY2025; down 7 since FY2022.
15	SSI Technology Inc. Top agencies DLA (Defense Logistics Agency)	$1,176,865	1.7%	Rank history: #27 in FY2021, #63 in FY2022, #24 in FY2024 and #44 in FY2025; up 48 since FY2022.
16	Nag, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,124,771	1.6%	Rank history: #17 in FY2021, #16 in FY2022, #27 in FY2024 and #6 in FY2025; unchanged since FY2022.
17	GMS International Corporation Top agencies DLA (Defense Logistics Agency)	$1,087,063	1.5%	Rank history: #13 in FY2021, #12 in FY2022, #17 in FY2024 and #13 in FY2025; down 5 since FY2022.
18	Meggitt Defense Systems Inc. Through Meggitt Aircraft Braking Systems Corporation Top agencies DLA (Defense Logistics Agency)	$926,159	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Marine Electric Systems Inc. Top agencies DLA (Defense Logistics Agency)	$843,367	1.2%	Rank history: #33 in FY2021, #28 in FY2022, #38 in FY2024 and #19 in FY2025; up 9 since FY2022.
20	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$795,048	1.1%	Rank history: #75 in FY2021, #35 in FY2022, #50 in FY2024 and not on the FY2025 list; up 15 since FY2022.
21	Rocktronics Inc. Top agencies Navy (Department of the Navy)	$780,000	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
22	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$766,800	1.1%	Rank history: #21 in FY2021, #18 in FY2022, #8 in FY2024 and #17 in FY2025; down 4 since FY2022.
23	Westbase Inc Through Phaostron Instrument and Electronic Company Top agencies DLA (Defense Logistics Agency)	$685,913	1.0%	Rank history: #46 in FY2021, #50 in FY2022 and not on the FY2024–FY2025 lists; up 27 since FY2022.
24	PCX Aerostructures LLC Through Integral Aerospace, LLC Top agencies DLA (Defense Logistics Agency)	$679,616	1.0%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2024 and not on the FY2025 list; new.
25	Statz Corp 2 awardees Top agencies DLA (Defense Logistics Agency)	$662,426	0.9%	Rank history: #41 in FY2021, #61 in FY2022, #84 in FY2024 and not on the FY2025 list; up 36 since FY2022.
26	Honeywell International Inc. 4 awardees Top agencies DLA (Defense Logistics Agency)	$657,158	0.9%	Rank history: not on the FY2021 list, #21 in FY2022, #37 in FY2024 and #22 in FY2025; down 5 since FY2022.
27	The Entwistle Trust Through The Entwistle Company LLC Top agencies DLA (Defense Logistics Agency)	$629,742	0.9%	Rank history: #29 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
28	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$593,414	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 93 since FY2022.
29	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency)	$577,174	0.8%	Rank history: #8 in FY2021, #10 in FY2022, #18 in FY2024 and #14 in FY2025; down 19 since FY2022.
30	Spectris PLC Through Hottinger Bruel & Kjaer Inc. Top agencies Navy (Department of the Navy)	$565,460	0.8%	Rank history: #44 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
31	DSP Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$551,718	0.8%	Rank history: #22 in FY2021, #47 in FY2022, #44 in FY2024 and #99 in FY2025; up 16 since FY2022.
32	Bowmar LLC Top agencies DLA (Defense Logistics Agency)	$551,244	0.8%	Rank history: #49 in FY2021, not on the FY2022 list, not on the FY2024 list and #97 in FY2025; returned.
33	Synercom Inc Through Spectrum Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$545,494	0.8%	Rank history: #24 in FY2021, #9 in FY2022, #22 in FY2024 and not on the FY2025 list; down 24 since FY2022.
34	Gate Industries Top agencies DLA (Defense Logistics Agency)	$478,997	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$462,199	0.7%	Rank history: #35 in FY2021, #38 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
36	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$453,586	0.6%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and #88 in FY2025; up 87 since FY2022.
37	Government Scientific Source Inc. Top agencies DOI (Department of the Interior)	$439,303	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Xylem Inc. Through YSI Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$437,550	0.6%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2024–FY2025 lists; up 58 since FY2022.
39	L3Harris Technologies, Inc. 4 awardees, including L3 Technologies, Inc. and Electrodynamics Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$396,731	0.6%	Rank history: #40 in FY2021, #24 in FY2022, #73 in FY2024 and #49 in FY2025; down 15 since FY2022.
40	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$392,872	0.6%	Rank history: #66 in FY2021, #44 in FY2022, not on the FY2024 list and #86 in FY2025; up 4 since FY2022.
41	Phoenix Lidar Systems, LLC Top agencies USDA (Department of Agriculture)	$386,030	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	GI Group Holdings Inc. Top agencies DLA (Defense Logistics Agency)	$364,645	0.5%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #87 in FY2025; new.
43	SAFRAN 2 awardees, including Safran Aerosystems Services Americas LLC and Safran Electrical Components Canada Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$361,379	0.5%	Rank history: not on the FY2021 list, #46 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
44	Brodie Meter Co., LLC Top agencies DLA (Defense Logistics Agency)	$360,360	0.5%	Rank history: not on the FY2021 list, #43 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
45	Eaton Corporation 2 awardees, including Eaton Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$353,214	0.5%	Rank history: not on the FY2021 list, #8 in FY2022, #28 in FY2024 and #21 in FY2025; down 37 since FY2022.
46	Dynalec Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$352,049	0.5%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #25 in FY2025; up 64 since FY2022.
47	Powerjet Parts Inc. Top agencies DLA (Defense Logistics Agency)	$348,840	0.5%	Rank history: #94 in FY2021, #86 in FY2022, #35 in FY2024 and #72 in FY2025; up 39 since FY2022.
48	Atap Inc. Top agencies DLA (Defense Logistics Agency)	$325,077	0.5%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and #11 in FY2025; up 248 since FY2022.
49	Burhani Enterprises Inc. Top agencies DLA (Defense Logistics Agency)	$319,787	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 53 since FY2022.
50	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$315,977	0.4%	Rank history: not on the FY2021 list, #45 in FY2022, #43 in FY2024 and #35 in FY2025; down 5 since FY2022.
51	Axciton Systems, Inc. Top agencies DOS (Department of State)	$314,000	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	Derbyshire Machine & Tool Co Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$306,908	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 131 since FY2022.
53	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$295,711	0.4%	Rank history: not on the FY2021 list, #77 in FY2022, #91 in FY2024 and #51 in FY2025; up 24 since FY2022.
54	Brantner & Associates Inc Through Measurement Specialties Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$275,393	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 261 since FY2022.
55	Designs & Prototypes, Ltd. Top agencies DOI (Department of the Interior)	$269,100	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	Ruta Supplies Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$260,019	0.4%	Rank history: not on the FY2021 list, #60 in FY2022, #13 in FY2024 and #48 in FY2025; up 4 since FY2022.
57	Kitco LLC Top agencies DLA (Defense Logistics Agency)	$256,287	0.4%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and not on the FY2025 list; new.
58	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$252,892	0.4%	Rank history: #34 in FY2021, #100 in FY2022, #7 in FY2024 and #20 in FY2025; up 42 since FY2022.
59	Crane Co Through Hydro-Aire Aerospace Corp Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$252,520	0.4%	Rank history: #97 in FY2021, #65 in FY2022, #62 in FY2024 and not on the FY2025 list; up 6 since FY2022.
60	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$251,233	0.4%	Rank history: not on the FY2021 list, #49 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
61	Qual-TEC Management Corp Through Carp Industries Corp Top agencies DLA (Defense Logistics Agency)	$243,373	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 55 since FY2022.
62	Hyspex Inc. Top agencies DOI (Department of the Interior)	$242,200	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	Amphenol Corporation 3 awardees, including The Modal Shop, Inc., PCB Piezotronics, Inc. and Temposonics, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$240,722	0.3%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
64	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$235,693	0.3%	Rank history: #88 in FY2021, #81 in FY2022, #59 in FY2024 and #60 in FY2025; up 17 since FY2022.
65	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$235,636	0.3%	Rank history: #84 in FY2021, #53 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
66	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$228,067	0.3%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and #68 in FY2025; new.
67	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$226,057	0.3%	Rank history: #93 in FY2021, #57 in FY2022, #32 in FY2024 and #23 in FY2025; down 10 since FY2022.
68	Idex Corporation Through Ads LLC Top agencies DOI (Department of the Interior)	$221,174	0.3%	Rank history: not on the FY2021 list, #29 in FY2022 and not on the FY2024–FY2025 lists; down 39 since FY2022.
69	Granzow Holding APS Through Granzow, Inc. Top agencies DLA (Defense Logistics Agency)	$218,037	0.3%	Rank history: #59 in FY2021, #69 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
70	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$214,203	0.3%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2024 and not on the FY2025 list; new.
71	RBR Ltd Top agencies DOI (Department of the Interior)	$213,209	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$212,431	0.3%	Rank history: #100 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
73	Transdigm Group Incorporated Through Transicoil LLC Top agencies DLA (Defense Logistics Agency)	$212,348	0.3%	Rank history: not on the FY2021 list, #70 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
74	Midway Industrial Supply Inc. Top agencies DLA (Defense Logistics Agency)	$206,272	0.3%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2024 and #93 in FY2025; new.
75	General Electric Company Through Panametrics LLC Top agencies Navy (Department of the Navy)	$205,800	0.3%	Rank history: #38 in FY2021, not on the FY2022 list, #40 in FY2024 and #92 in FY2025; up 147 since FY2022.
76	Mountain Horse LLC Top agencies USAF (Department of the Air Force)	$204,704	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	Clark Brothers Instrument Co Top agencies DLA (Defense Logistics Agency)	$194,906	0.3%	Rank history: #42 in FY2021, #85 in FY2022, #85 in FY2024 and #50 in FY2025; up 8 since FY2022.
78	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$194,171	0.3%	Rank history: #19 in FY2021, #19 in FY2022, #36 in FY2024 and #28 in FY2025; down 59 since FY2022.
79	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$190,351	0.3%	Rank history: not on the FY2021 list, #64 in FY2022, #76 in FY2024 and #77 in FY2025; down 15 since FY2022.
80	Technical Communities Inc Top agencies DOI (Department of the Interior)	$184,866	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	Muka Trade LLC Top agencies DOS (Department of State)	$177,928	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Lower 48 Instruments LLC Top agencies DOI (Department of the Interior)	$176,029	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$174,244	0.2%	Rank history: #43 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 104 since FY2022.
84	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$173,664	0.2%	Rank history: #60 in FY2021, #27 in FY2022, #41 in FY2024 and #37 in FY2025; down 57 since FY2022.
85	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency)	$173,238	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 93 since FY2022.
86	Stealth Supply Inc Top agencies DLA (Defense Logistics Agency)	$162,941	0.2%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #47 in FY2025; new.
87	Erdco Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$161,576	0.2%	Rank history: #45 in FY2021, #54 in FY2022, #39 in FY2024 and not on the FY2025 list; down 33 since FY2022.
88	Wbb, Inc. Top agencies DLA (Defense Logistics Agency)	$150,721	0.2%	Rank history: #54 in FY2021, #83 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
89	Kelly Manufacturing Company Top agencies DLA (Defense Logistics Agency)	$148,271	0.2%	Rank history: #99 in FY2021, not on the FY2022 list, #83 in FY2024 and not on the FY2025 list; up 23 since FY2022.
90	Fuel Systems Inc. Top agencies DLA (Defense Logistics Agency)	$143,262	0.2%	Rank history: #80 in FY2021, not on the FY2022 list, #82 in FY2024 and not on the FY2025 list; up 18 since FY2022.
91	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$142,633	0.2%	Rank history: #76 in FY2021, not on the FY2022 list, #77 in FY2024 and not on the FY2025 list; up 162 since FY2022.
92	Trevose Industrial Products Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$141,780	0.2%	Rank history: #56 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 98 since FY2022.
93	Waters Corporation Through Ta Instruments - Waters L.L.C. Top agencies Navy (Department of the Navy)	$141,528	0.2%	Rank history: not on the FY2021 list, #32 in FY2022 and not on the FY2024–FY2025 lists; down 61 since FY2022.
94	Unimex Corporation Through Paragon Defense Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$141,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 33 since FY2022.
95	Donaldson Company, Inc. Top agencies DLA (Defense Logistics Agency)	$138,600	0.2%	Rank history: #52 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 22 since FY2022.
96	Measurement Specialties Inc. Top agencies DOI (Department of the Interior)	$138,466	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Agilent Technologies, Inc. Top agencies EPA (Environmental Protection Agency) Army (Department of the Army)	$137,024	0.2%	Rank history: not on the FY2021 list, #88 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
98	Wisecom Technologies Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHS (Department of Homeland Security)	$133,959	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Aantilia LLC Top agencies USAF (Department of the Air Force)	$133,245	0.2%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
100	Flow Controls, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$131,579	0.2%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.

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100 of 454 contractors listed here. See the rest on GovTribe.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $70.5 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC 6680 contractors in FY2023?

1. RTX Corporation ($5.62M), 2. Standard Calibrations Inc. ($2.81M), 3. Parker-Hannifin Corporation ($2.52M), 4. Martin Military Inc. ($1.98M), 5. Leidos Holdings, Inc. ($1.73M), 6. R. S. Means Company LLC ($1.6M), 7. Transaero, Inc. ($1.57M), 8. Prime Technology LLC ($1.48M), 9. Aarcorp ($1.43M), 10. Pssc Holding Co. ($1.4M).

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